When a grotesque and bizarre alien team steals Neelix's lungs, the Doctor's holographic replacements keep him alive until Janeway finally tracks down the Vidiians and their society-wide Phage plague.
Carter works alone on the night shift during the hospital's July 4th picnic; Jeanie Boulet and Dr. Benton await the results of their HIV tests.
Simone's interference in Russell's undercover assignment leads to deadly consequences; Sipowicz suspects Fancy of holding up his promotion.